Slipper insole



FIG. 1 is a rear perspective view from the right side showing ourslipper insole design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The broken line showing of the slipper is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for a slipper insole, as shown and described.